1QFW

TERNARY COMPLEX OF HUMAN CHORIONIC GONADOTROPIN WITH FV ANTI ALPHA SUBUNIT AND FV ANTI BETA SUBUNIT

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
IMGT Antibody Annotation
SAbDab Antibody Annotation
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Pharos: Disease Associations

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1qfwa_	Small proteins	Cystine-knot cytokines	Cystine-knot cytokines	Gonadodropin/Follitropin	Glycoprotein hormones alpha chain (Gonadotropin A, Follitropin alpha)	(Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
F [auth I]	d1qfwi1	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	V set domains (antibody variable domain-like)	Immunoglobulin heavy chain variable domain, VH	house mouse (Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
F [auth I]	d1qfwi2	Artifacts	Tags	Tags	Tags	N-terminal Tags	house mouse (Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
B	d1qfwb_	Small proteins	Cystine-knot cytokines	Cystine-knot cytokines	Gonadodropin/Follitropin	Gonadotropin B chain	(Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
C [auth L]	d1qfwl_	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	V set domains (antibody variable domain-like)	Immunoglobulin light chain kappa variable domain, VL-kappa	house mouse (Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
D [auth H]	d1qfwh1	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	V set domains (antibody variable domain-like)	Immunoglobulin heavy chain variable domain, VH	house mouse (Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
D [auth H]	d1qfwh2	Artifacts	Tags	Tags	Tags	N-terminal Tags	house mouse (Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
E [auth M]	d1qfwm_	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	V set domains (antibody variable domain-like)	Immunoglobulin light chain kappa variable domain, VL-kappa	house mouse (Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Cystine-knot cytokines	8038799	3000846	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Cystine-knot cytokines	8038800	3000846	SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	Hormone_6	e1qfwA1	A: few secondary structure elements	X: Cystine-knot cytokines (From Topology)	H: Cystine-knot cytokines (From Topology)	T: Cystine-knot cytokines	F: Hormone_6	ECOD (1.6)
F [auth I]	V-set_12	e1qfwI1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: V-set_12	ECOD (1.6)
B	Cys_knot	e1qfwB1	A: few secondary structure elements	X: Cystine-knot cytokines (From Topology)	H: Cystine-knot cytokines (From Topology)	T: Cystine-knot cytokines	F: Cys_knot	ECOD (1.6)
C [auth L]	V-set	e1qfwL1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: V-set	ECOD (1.6)
D [auth H]	V-set_8	e1qfwH1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: V-set_8	ECOD (1.6)
E [auth M]	V-set	e1qfwM1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: V-set	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	2.10.90.10	Mainly Beta	Ribbon	Cystine Knot Cytokines, subunit B	Cystine-knot cytokines	CATH (4.3.0)
F [auth I]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
B	2.10.90.10	Mainly Beta	Ribbon	Cystine Knot Cytokines, subunit B	Cystine-knot cytokines	CATH (4.3.0)
C [auth L]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
D [auth H]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
E [auth M]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)

IMGT Antibody Annotation IMGT Database Homepage

Chain	Protein Name	Description	Organism Name	Gene Allele Name(s)	Domain Name(s)	Receptor Type	Receptor Description	Provenance Source
F [auth I]	Fv anti-alpha/hCG/Fv anti-beta	VH	Mus musculus (house mouse)	IGHV5-902, IGHJ101, IGHJ1*02	V-DOMAIN VH	IG	FV-HEAVY_KAPPA	IMGT (202445-0)
C [auth L]	Fv anti-alpha/hCG/Fv anti-beta	V-KAPPA	Mus musculus (house mouse)	IGKV3-501, IGKJ201	V-DOMAIN V-KAPPA	IG	FV-HEAVY_KAPPA	IMGT (202445-0)
D [auth H]	Fv anti-alpha/hCG/Fv anti-beta	VH	Mus musculus (house mouse)	IGHV1S8102, IGHJ201	V-DOMAIN VH	IG	FV-HEAVY_KAPPA	IMGT (202445-0)
E [auth M]	Fv anti-alpha/hCG/Fv anti-beta	V-KAPPA	Mus musculus (house mouse)	IGKV6-2001, IGKJ201	V-DOMAIN V-KAPPA	IG	FV-HEAVY_KAPPA	IMGT (202445-0)

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
F [auth I]	Heavy Chain	IGHV5	-	gonadotrophin beta subunit	SAbDab (2024-11-15)
C [auth L]	Light Chain	IGKV3	Kappa	gonadotropin alpha subunit	SAbDab (2024-11-15)
D [auth H]	Heavy Chain	IGHV1	-	gonadotropin alpha subunit	SAbDab (2024-11-15)
E [auth M]	Light Chain	IGKV6	Kappa	gonadotrophin beta subunit	SAbDab (2024-11-15)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
F [auth I]	PF07686	Immunoglobulin V-set domain (V-set)	Immunoglobulin V-set domain	This domain is found in antibodies as well as neural protein P0 and CTL4 amongst others.	Domain
B	PF00007	Cystine-knot domain (Cys_knot)	Cystine-knot domain	The family comprises glycoprotein hormones and the C-terminal domain of various extracellular proteins. It is believed to be involved in disulfide-linked dimerisation.	Domain
C [auth L]	PF07686	Immunoglobulin V-set domain (V-set)	Immunoglobulin V-set domain	This domain is found in antibodies as well as neural protein P0 and CTL4 amongst others.	Domain
D [auth H]	PF07686	Immunoglobulin V-set domain (V-set)	Immunoglobulin V-set domain	This domain is found in antibodies as well as neural protein P0 and CTL4 amongst others.	Domain
E [auth M]	PF07686	Immunoglobulin V-set domain (V-set)	Immunoglobulin V-set domain	This domain is found in antibodies as well as neural protein P0 and CTL4 amongst others.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	GONADOTROPIN ALPHA SUBUNIT	hormone activity protein binding binding molecular function activator activity signaling receptor binding molecular function regulator activity signaling receptor regulator activity follicle-stimulating hormone activity receptor ligand activity signaling receptor activator activity	regulation of biological process cell population proliferation regulation of cellular process positive regulation of cell population proliferation regulation of cell population proliferation biological regulation positive regulation of biological process cellular process positive regulation of cellular process multicellular organismal process system process gonadotropin secretion transport signaling regulation of biological process cell population proliferation regulation of cellular process positive regulation of cell population proliferation regulation of cell population proliferation biological regulation positive regulation of biological process cellular process positive regulation of cellular process multicellular organismal process system process gonadotropin secretion transport signaling hormone secretion cell communication localization secretion by cell signal release regulation of biological quality secretion regulation of hormone levels follicle-stimulating hormone secretion cell-cell signaling export from cell establishment of localization endocrine hormone secretion endocrine process hormone transport organic hydroxy compound metabolic process modified amino acid metabolic process hormone metabolic process thyroid hormone metabolic process phenol-containing compound metabolic process metabolic process thyroid hormone generation developmental process developmental growth growth organ growth multicellular organism development thyroid gland development endocrine system development gland development animal organ development anatomical structure development system development positive regulation of locomotion regulation of cell motility positive regulation of cell migration regulation of locomotion positive regulation of cell motility regulation of cell migration cell migration cell motility locomotion cellular response to stimulus response to stimulus response to endogenous stimulus hormone-mediated signaling pathway cellular response to endogenous stimulus cellular response to chemical stimulus response to hormone response to chemical signal transduction cellular response to hormone stimulus regulation of signaling regulation of signaling receptor activity regulation of signal transduction regulation of molecular function regulation of response to stimulus regulation of cell communication regulation of steroid biosynthetic process steroid metabolic process regulation of lipid metabolic process lipid biosynthetic process regulation of primary metabolic process positive regulation of metabolic process positive regulation of biosynthetic process positive regulation of lipid metabolic process steroid biosynthetic process regulation of biosynthetic process regulation of steroid metabolic process primary metabolic process positive regulation of steroid biosynthetic process biosynthetic process positive regulation of lipid biosynthetic process positive regulation of steroid metabolic process regulation of lipid biosynthetic process regulation of metabolic process lipid metabolic process G protein-coupled receptor signaling pathway regulation of growth regulation of developmental growth regulation of developmental process negative regulation of developmental process negative regulation of biological process negative regulation of organ growth negative regulation of developmental growth negative regulation of growth regulation of organ growth regulation of multicellular organismal process negative regulation of multicellular organismal process luteinizing hormone secretion ovulation cycle process reproductive process sex differentiation development of primary female sexual characteristics developmental process involved in reproduction ovulation cycle development of primary sexual characteristics reproductive structure development ovarian follicle development rhythmic process gonad development reproductive system development female gonad development multicellular organismal reproductive process female sex differentiation follicle-stimulating hormone signaling pathway positive regulation of DNA-templated transcription RNA metabolic process positive regulation of macromolecule biosynthetic process nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process DNA-templated transcription regulation of RNA metabolic process transcription by RNA polymerase II positive regulation of macromolecule metabolic process regulation of nucleobase-containing compound metabolic process regulation of RNA biosynthetic process regulation of transcription by RNA polymerase II positive regulation of nucleobase-containing compound metabolic process regulation of macromolecule metabolic process positive regulation of transcription by RNA polymerase II nucleobase-containing compound biosynthetic process gene expression macromolecule biosynthetic process nucleic acid metabolic process positive regulation of RNA metabolic process regulation of gene expression positive regulation of RNA biosynthetic process regulation of macromolecule biosynthetic process macromolecule metabolic process regulation of DNA-templated transcription	membrane-bounded organelle intracellular anatomical structure Golgi apparatus membrane-enclosed lumen intracellular membrane-bounded organelle endomembrane system intracellular organelle lumen Golgi lumen intracellular organelle cellular anatomical structure organelle lumen organelle cytoplasm protein-containing complex membrane-bounded organelle intracellular anatomical structure Golgi apparatus membrane-enclosed lumen intracellular membrane-bounded organelle endomembrane system intracellular organelle lumen Golgi lumen intracellular organelle cellular anatomical structure organelle lumen organelle cytoplasm protein-containing complex extracellular region pituitary gonadotropin complex extracellular space follicle-stimulating hormone complex
F [auth I]	ANTIBODY (ANTI BETA SUBUNIT) (HEAVY CHAIN)	binding antigen binding	adaptive immune response based on somatic recombination of immune receptors built from immunoglobulin superfamily domains lymphocyte mediated immunity response to stimulus immune response immune system process B cell mediated immunity leukocyte mediated immunity immunoglobulin mediated immune response adaptive immune response immune effector process	protein-containing complex immunoglobulin complex
B	GONADOTROPHIN BETA SUBUNIT	hormone activity protein binding binding molecular function activator activity signaling receptor binding molecular function regulator activity signaling receptor regulator activity receptor ligand activity signaling receptor activator activity	sexual reproduction reproductive process multicellular organismal reproductive process female gamete generation gamete generation cellular response to stimulus regulation of biological process regulation of cellular process response to stimulus signaling response to endogenous stimulus biological regulation hormone-mediated signaling pathway cell communication sexual reproduction reproductive process multicellular organismal reproductive process female gamete generation gamete generation cellular response to stimulus regulation of biological process regulation of cellular process response to stimulus signaling response to endogenous stimulus biological regulation hormone-mediated signaling pathway cell communication cellular response to endogenous stimulus cellular response to chemical stimulus response to hormone response to chemical cellular process signal transduction cellular response to hormone stimulus apoptotic process cell death programmed cell death G protein-coupled receptor signaling pathway cell-cell signaling	protein-containing complex cellular anatomical structure extracellular region pituitary gonadotropin complex intracellular anatomical structure cytoplasm extracellular space
C [auth L]	ANTIBODY (ANTI ALPHA SUBUNIT) (LIGHT CHAIN)	-	response to stimulus immune response immune system process adaptive immune response	protein-containing complex immunoglobulin complex cellular anatomical structure extracellular region extracellular space
D [auth H]	ANTIBODY (ANTI ALPHA SUBUNIT) (HEAVY CHAIN)	binding antigen binding	adaptive immune response based on somatic recombination of immune receptors built from immunoglobulin superfamily domains lymphocyte mediated immunity response to stimulus immune response immune system process B cell mediated immunity leukocyte mediated immunity immunoglobulin mediated immune response adaptive immune response immune effector process	protein-containing complex immunoglobulin complex
E [auth M]	ANTIBODY (ANTI BETA SUBUNIT) (LIGHT CHAIN)	-	response to stimulus immune response immune system process adaptive immune response	protein-containing complex immunoglobulin complex cellular anatomical structure extracellular region extracellular space

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR000476	Glycoprotein hormone alpha chain	Family
A	IPR029034	Cystine-knot cytokine	Homologous Superfamily
F [auth I]	IPR050199	Immunoglobulin Heavy Variable	Family
F [auth I]	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
F [auth I]	IPR036179	Immunoglobulin-like domain superfamily	Homologous Superfamily
F [auth I]	IPR013106	Immunoglobulin V-set domain	Domain
F [auth I]	IPR007110	Immunoglobulin-like domain	Domain
B	IPR001545	Gonadotropin, beta subunit	Family
B	IPR006208	Glycoprotein hormone subunit beta	Domain
B	IPR018245	Gonadotropin, beta subunit, conserved site	Conserved Site
B	IPR029034	Cystine-knot cytokine	Homologous Superfamily
C [auth L]	IPR050150	Immunoglobulin Variable Light Chain	Family
C [auth L]	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
C [auth L]	IPR036179	Immunoglobulin-like domain superfamily	Homologous Superfamily
C [auth L]	IPR013106	Immunoglobulin V-set domain	Domain
C [auth L]	IPR003599	Immunoglobulin domain subtype	Domain
C [auth L]	IPR007110	Immunoglobulin-like domain	Domain
D [auth H]	IPR050199	Immunoglobulin Heavy Variable	Family
D [auth H]	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
D [auth H]	IPR036179	Immunoglobulin-like domain superfamily	Homologous Superfamily
D [auth H]	IPR013106	Immunoglobulin V-set domain	Domain
D [auth H]	IPR007110	Immunoglobulin-like domain	Domain
E [auth M]	IPR050150	Immunoglobulin Variable Light Chain	Family
E [auth M]	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
E [auth M]	IPR036179	Immunoglobulin-like domain superfamily	Homologous Superfamily
E [auth M]	IPR013106	Immunoglobulin V-set domain	Domain
E [auth M]	IPR003599	Immunoglobulin domain subtype	Domain
E [auth M]	IPR007110	Immunoglobulin-like domain	Domain

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	Pharos: P01215	oligospermia ovarian disease uterine disease hemiplegia atrial fibrillation ovarian cancer psoriasis thyroid cancer, nonmedullary, 2 adrenal gland disease Disease Exacerbation lung cancer spina bifida lung carcinoma osteosarcoma pituitary cancer oligospermia ovarian disease uterine disease hemiplegia atrial fibrillation ovarian cancer psoriasis thyroid cancer, nonmedullary, 2 adrenal gland disease Disease Exacerbation lung cancer spina bifida lung carcinoma osteosarcoma pituitary cancer interstitial lung disease
B	Pharos: P0DN86	Fetal Resorption hypogonadism hypogonadotropic hypogonadism psoriasis